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acoustic reflex; stapedius reflex; attenuation reflex; auditory reflex

Involuntary muscle contraction of the stapedius & tensor tympani in response to high-frequency sound. Also occurs in response to vocalization; lowers sound intensity in the inner ear by ~ 20 decibels.

Related

acoustic reflex testing

General

reflex

References

  1. Wikipedia: Acoustic reflex http://en.wikipedia.org/wiki/Acoustic_reflex